基于列车运行状态的城轨地面混合储能装置分时段控制策略

doi:10.19595/j.cnki.1000-6753.tces.L80400

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摘要城轨交通地面混合储能装置兼顾吸收列车剩余再生制动能量与作为备用电源驱动供电故障列车的功能。根据城轨交通供电系统实际运行状况,建立牵引供电系统仿真模型,分析在列车不同发车间隔下牵引网潮流变化情况,并由此提出基于列车运行状态的城轨地面混合储能装置分时段控制策略。该控制策略在发车间隔较大时因列车剩余再生制动能量与功率较大,采用电池优先响应模式,保证超级电容有足够容量响应大功率负载,避免制动电阻不必要的启动;发车间隔较小时因列车剩余再生制动能量与功率较小采用超级电容优先响应模式,减少电池使用容量,以提高电池的使用寿命。本文利用北京地铁实际线路参数,通过牵引供电仿真平台与混合储能实验平台对本文提出的控制策略的有效性进行了仿真与实验验证。结果表明,此控制策略能够有效地提高混合储能装置吸收剩余再生制动能量能力,增加电池的使用寿命。

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	秦强强
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关键词 ：城轨交通, 混合储能装置, 发车间隔, 控制策略

Abstract：The ground hybrid energy storage device of urban rail transit takes into account the functions of absorbing the remaining regenerative braking energy of the train and driving the power failure train as a backup power source. Based on the actual operation status of the urban rail transit power supply system, the paper establishes a simulation model of traction power supply system and analyzes the changes of the traction network power flow at different departure intervals of trains. Then a time-phased control strategy of urban rail ground hybrid energy storage device based on train operation status is proposed. The control strategy uses a battery priority response mode when the departure interval is large because the remaining regenerative braking energy and power of the train is large, so that the super capacitor has sufficient capacity to respond to the high power load, avoiding unnecessary starting of the braking resistor; When it is small, the super-capacitor priority response mode is adopted due to the remaining regenerative braking energy and power of the train, which reduces the battery usage capacity to improve the service life of the battery. Using the actual line parameters of the Beijing Subway, the traction power supply simulation platform and the hybrid energy storage test platform were used to simulate and verify the effectiveness of the proposed control strategy. Simulation and experimental results show that this control strategy can effectively improve the ability of hybrid energy storage device to absorb the remaining regenerative braking energy and increase the lifetime of the battery.

Key words： Urban rail transit hybrid energy storage device departure interval control strategy

收稿日期: 2018-07-01 出版日期: 2020-01-02

PACS:

TK02

作者简介: 秦强强男,1992年生,硕士研究生,研究方向为城市轨道交通储能技术研究。E-mail: 17121483@bjtu.edu.cn.com;林飞男,1975年生,教授,博士生导师,研究方向为轨道交通电力牵引传动、节能、高速列车系统优化设计等。E-mail: flin@bjtu.edu.cn.com（通信作者）

引用本文:

秦强强, 张骄, 李宇杰, 林飞, 杨中平. 基于列车运行状态的城轨地面混合储能装置分时段控制策略[J]. 电工技术学报, 2019, 34(zk2): 760-769. Qin Qiangqiang, Zhang Jiao, Li Yujie, Lin Fei, Yang Zhongping. Research on Time-Phased Control Strategy of Urban Rail Ground Hybrid Energy Storage Device Based on Train Operation Status. Transactions of China Electrotechnical Society, 2019, 34(zk2): 760-769.

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